[help-GIFT] gift-write-feature-descs segfaults... (is the GIFT broken?)

[Jonas Lindqvist]

Hi!

I'm (attempting to be) using the latest CVS version.

gift-write-feature-descs reads a PPM file on STDIN, and is supposed  
to output some kind of data that can be redirected into  
InvertedFileFeatureDescription.db.

However, now it crashes with a segmentation fault.

Here's what happens:
The file write_feature_descs.c, uses a function called  
init_feature_variables. It uses it with an int (colmap_size) as its  
only parameter.
So where is this function defined? There is in fact a similar  
function in extract_block_features.c, but it takes no less than FOUR  
parameters.
Strange...
Anyway, it crashes when it tries to use a function that is not linked.
I would have expected the linker to complain, and the compiler to at  
least warn, but maybe I'm too used to "too helpful" C++ compilers...

The prototype for init_feature_variables, in  
extract_block_features.c, changed from using one parameter, to using  
four, in revision 1.6, committed more than a month ago... Is anyone  
actually using the latest version?

With a segfaulting gift-write-feature-descs, the  
InvertedFileFeatureDescription.db file is always empty...
Saves some space on the harddisk of course, but other than that it  
couldn't be all that good, right?

Does the GIFT work at all now?

Arghh...
Now it would have been nice to have SVN changesets, so that reverting  
a commit would revert all files that was committed...

/Jonas

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